H-D-Phe-Pip-Arg-pNA acetate Chemical Properties

storage temp. 

−20°C

form 

Solid

color 

White to yellow

InChIKey

YVHLNJUMPNYROS-IAYLHCNXNA-N

SMILES

C(=O)(O)C.C([C@@H]1CCCCN1C(=O)[C@H](N)CC1C=CC=CC=1)(=O)N[C@@H](CCCNC(N)=N)C(=O)NC1C=CC(N(=O)=O)=CC=1 |&1:5,13,24,r|

Safety Information

Hazard Codes 

Xn

Risk Statements 

20/21/22-36/37/38-63

Safety Statements 

26-36/37-45-36/37/39-22

WGK Germany 

3

H-D-Phe-Pip-Arg-pNA acetate Usage And Synthesis

Uses

H-D-Phe-Pip-Arg-pNA (S-2238) acetate, a chromogenic substrate, is patterned after the N-terminal portion of the A alpha chain of fibrinogen, which is the natural substrate of thrombin. H-D-Phe-Pip-Arg-pNA acetate is specific for thrombin and is used to measure antithrombin-heparin cofactor (AT-III). The AT-III assay using H-D-Phe-Pip-Arg-pNA acetate is sensitive, accurate, and easy to perform[1][2].

References

[1] Goodnight SH Jr, et al. Measurement of antithrombin III in normal and pathologic states using chromogenic substrate S-2238. Comparison with immunoelectrophoretic and factor Xa inhibition assays. Am J Clin Pathol. 1980;73(5):639-647. DOI:10.1093/ajcp/73.5.639
[2] Voorthuizen H, Kluft C. Improved assay conditions for automated antithrombin III determinations with the chromogenic substrate S-2238. Thromb Haemost. 1984;52(3):350-353. PMID:6531759

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